85333229 has 2 divisors, whose sum is σ = 85333230. Its totient is φ = 85333228.

The previous prime is 85333189. The next prime is 85333231. The reversal of 85333229 is 92233358.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60062500 + 25270729 = 7750^2 + 5027^2 .

It is a cyclic number.

It is not a de Polignac number, because 85333229 - 2²⁰ = 84284653 is a prime.

Together with 85333231, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85333279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42666614 + 42666615.

It is an arithmetic number, because the mean of its divisors is an integer number (42666615).

Almost surely, 2^85333229 is an apocalyptic number.

It is an amenable number.

85333229 is a deficient number, since it is larger than the sum of its proper divisors (1).

85333229 is an equidigital number, since it uses as much as digits as its factorization.

85333229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 35.

The square root of 85333229 is about 9237.5986598250. The cubic root of 85333229 is about 440.2567870916.

The spelling of 85333229 in words is "eighty-five million, three hundred thirty-three thousand, two hundred twenty-nine".